Key button arrangement for a handset



FIG. 1 is a front view of a key button arrangement for a handset; and,

FIG. 2 is a perspective front view thereof.

The broken line showings of FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a key button arrangement for a handset, as shown and described. 